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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Primise 封装 - then方法回调的异步执行</title>
    <script src="./promise.js"></script>
</head>
<body>
    <script>
        let p1 = new Promise((resolve,reject)=>{
            resolve('OK');
            console.log(111);
        })
        p1.then(value=>{
            console.log(222);
        })

        console.log(333);
        
        
        
    </script>
    
</body>
</html>